Senior Preconstruction Mechanical Estimator
Graycor
Develop and deliver competitive mechanical installation estimates for projects.
29 days ago ago
Experienced (8-12 years)
Full Time
Oakbrook Terrace, IL
Office Full-Time
Company Size
1,600 Employees
Service Specialisms
Construction Management at Risk
Construction Technology
Design‑Build Contractor
Engineering, Procurement + Construction (EPC)
Fabrication Shops
General Contracting
Integrated Project Delivery (IPD)
Live Environment Construction
Sector Specialisms
Advanced Facilities
Cold Storage & Food Processing
Corporate
Cultural & Educational
Energy Transition
Gas Infrastructure
Healthcare
Living & Lodging
Role
What you would be doing
estimating tools
take-offs
supplier quotes
budget estimates
drawings analysis
value options
- Assist in the development and improvement of estimating tools, processes, and best practices.
- Stay current with industry trends, materials pricing, and construction techniques to ensure accurate and up-to-date estimates.
- Analyze drawings, specifications, and other documentation to prepare comprehensive self-perform estimates for mechanical installation projects.
- Collaborate with project managers, estimators, and other stakeholders to ensure accurate and competitive estimates.
- Source and evaluate supplier quotes to ensure competitiveness and compliance with project requirements.
- Develop budgetary estimates from conceptual level design drawings
- Conduct take-offs and apply labor hours for piping or equipment installation
- Develop options and recommend best value solutions based on cost, engineering, quality, or availability of materials
What you bring
microsoft office
winest
mechanical
bachelor’s
7-10 years
problem solving
- Must be proficient in Microsoft Office Suite
- Must have experience using an estimating application (i.e. WinEst or similar).
- Must have a solid understanding of plans and specification lump sum and conceptual estimating techniques
- Strong communication and interpersonal skills with the ability to work effectively in a team environment.
- Excellent mathematical, analytical, and problem-solving skills.
- Must be able to multitask and prioritize responsibilities
- Strong understanding of mechanical installation, industry standards, and best practices.
- Bachelor’s degree preferred with 7 - 10 years of work experience in the estimating of mechanical piping and / or equipment installation in a union and / or merit-based environment.
- Ability to read and interpret installation manuals, specifications, and technical drawings.
- Working out of a Graycor office (Oakbrook Terrace, IL, Charlotte, NC, Phoenix, AZ) is preferred; however, remote work with minimum one office visit per month and bid closings is an option.
Information not given or found
Training + DevelopmentInformation not given or found
Interview process
Information not given or found
Visa SponsorshipInformation not given or found
Security clearanceInformation not given or found
Company
Overview
1921
Founding Year
Established as a sand-blasting startup in Chicago.
10+ Offices
National Presence
Graycor operates across North America with a growing network of locations.
5,000+ Projects
Completed Work
A portfolio showcasing expertise across diverse industries and project types.
- Grew into a nationwide construction leader by tackling hard jobs.
- Evolved into the general contracting arena in the 1950s.
- Blends legacy experience with modern innovation across various sectors.
- Known for handling high-complexity projects in logistics, healthcare, and energy.
- Pioneered integrated delivery methods and advanced construction techniques.
- Achieves zero-incident milestones through subsidiaries like Graycor Industrial.
- Adapted through strategic expansions, including a Greenville, SC office.
- Long‑Term Perspective
- Integrity & Honesty
- Health & Safety
- Family
- Continuous Improvement
- Diversity & Inclusion
- Relationships
- Value
250 kW
Rooftop Solar Installation
Completed a significant rooftop solar installation at Cedars-Sinai, contributing to energy efficiency and sustainability efforts.
225 kW
Net Zero Solar Project
Installed a major rooftop solar system at Walgreens Net Zero facility, supporting their commitment to sustainable energy solutions.
- Approach to sustainability focused on meeting present needs without sacrificing future generations
- Partner with clients to support their sustainability commitments and Net Zero Carbon facilities
- Have LEED-Accredited Professionals delivering energy-efficient, green building solutions
- Adhere to JUST Criteria principles from the International Living Future Institute
- Professional staff collaborating in design phase to meet sustainability requirements while achieving budget and schedule targets
Since 2021
DEI Council Established
The company's DEI Council was founded in 2021 with the vision to create a workplace that mirrors the diversity of the communities it serves, ensuring employees feel safe, respected, and empowered to thrive.
- Council action plan centered on employees, culture, trade partners/vendors/suppliers, and communities
- Employee Resource Groups (Women’s, LGBTQ+, Safeguards) providing mental‑health support and peer connection
- Committed to advancing diversity and inclusion through culture, employee development, trade partners and communities
- Statements from employees emphasize tangible outcomes: increased diversity in gender, age, race, ethnicity, sexual orientation, religion
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